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4 Sheets-Sheet l.

B. CHAMBERLAIN.

Grain-Binder.

No. 226,035 Pate nted Mar. 30, 1880.

N.PETERS, PHOTO-UTHOGRAFHERI, WASHLIGTOM D.

4Sheets-Sheet 2. B. CHAMBERLAIN. Grain-Binder.

No. 226,035 Patented Mar. 30, I880.

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4 Sheets-Sheet 3.

B. CHAMBERLAIN. Grain-Binder.

No. 226,035 Patented .Mar. 30, 1880.

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4 Sheets-Sheet 4. B. CHAMBERLAIN.

Grain-Binder.

No. 226,035 PatentedMar. 30, 1880.

NITE STATES BLANOHARD CHAMBERLAIN, OF BELLEFONTAINE, OHIO, ASSIGNOR OF ONE HALF OF HIS RIGHT TO JAMES B. NIVEN, OF SAME PLACE.

GRAIN-BINDER.

SPECIFICATION forming part of Letters Patent No. 226,035, dated March 30, 1880.

Application filed June 12, 1879.

To all whom it may concern:

Be it known that I, BLANOHARD CHAMBER- LAIN, of Bellefontaine, in the county of Logan and State of Ohio, haveinvented new and useful Improvements in Grain-Binders, of which the following is a specification.

My invention relates to a machine for gatherin g and binding grain through the combined agency of a horizontal reciprocating rake and lo a grain throat or receiver, in which the gavel is compressed and bound with cord.

My improvement particularly relates to a gaveling attachment consisting of a segmental grainthroat recessed in its upper face to receive a tyer and sliding cord-holder,a segmental grain-cradle, and a segmental cordcarrier, as hereinafter set forth also, to devices for operatin ga reciprocating rake, moving in an erect position while working and in a prostrate position on its return stroke; also, to a spring-spool of novel construction, by which cord may be paid out to an indefinite length under uniform tension; also, to novel devices for carrying the cord around the gavel and tying it in a knot, severing the cord, and discharging the sheaf; also, to mechanism for imparting reciprocating movement to the cordcarrier'from a continuously-moving shaft.

In order that my invention may be fully un- 0 derstood, I will proceed to describe it with reference to the accompanying drawings, in which- Figure l is a plan of the grain-table and its accessories. Fig. 2 is a longitudinal section 5 of the same on the line 2 2, Fig. 1. Fig. 2 represents the crown-Wheel detached from the machine. Fig. 3 is an elevation of the grainreceiver and cord-carrying hoop on a larger scale, showing their closed position. Fig. 4is

a longitudinal section of the grain-table on a larger scale. Fig. 5 is a plan view of the tyer on a still larger scale. Fig. 6 is a side elevation thereof. Fig. 7 is a vertical longitudinal section of the same. Fig. 8 is a side view of 4 5 my improved spring-spool. Fig. 9 is a top view of the cord-holder. Fig. 10 is an end View thereof. Fig. 11 is an under-side view of the clutch movement at the inner end of the grain-table.

5o Myhollow grain-table consists of a skeletonframe, 1.,with guards or sides 1 and a bot tom, 2, on which is a sliding drawer, 3, for the reception of any shelled grain which may fall through the skeleton-frame. 4 is a rake, the head of which is pivoted in boxes 5 sliding on guide-rods 6, and has keyed on its extremities arms 7 on the outer ends of which are pivoted catches 8, which engage over the ends of the slides 5 to hold the rake-teeth in erect posi tion, and are thrown up by contact with in 6 clined ribs 9 on the sides of the frame, near the termination of the forward stroke of the rake,

so as to release the rake-head and allow the teeth to fall to a horizontal position, in readiness for passing freely backward beneath the 6 grain without contact with the latter.

10 are stationary projections near the outer ends of the frame, for the purpose of throwing the rake up in a vertical position at the extremity of its backward movement, in readi- 7o ness for another effective stroke, the catches 8 being arranged to engage automatically with the slides 5, so as to retain the teeth in their erect position, as before stated.

The motion of the rake in each direction is imparted by arms 11 projecting from sprocketchains 12 13, carried by sprocket-wheels 14 15 on sh aft 16 at the outer extremity of the frame and sprocket-wheels 17 18 at or near the inner end.

After the ribs 9 have thrown up the catches 8 and the rake has dropped into horizontal position, inclines 19 19 on the sides of the frame elevate the chains, as illustrated by dotted lines in Fig. 4, so as to lift the arms 11 out of 8 contact with the rake-head. The said arms then pass around the wheels or pulleys 17 18, and on their return engage again with the rake-head, so as to carry it back to the outer end of the frame. c

The shaft 16 is driven by the chain 12, which passes around a sprocket-pulley, 17 operated by beveled pinions 18 19, the latter of which is on the shaft of a sprocket-wheel, 20, which is driven byasprocket-chain,21, connected with the main driving-shaft of the machine, and operating also a sprocket-wheel, 22, running a similar pair of beveled pinions, 23 24. The pinions 19 and 24 are keyed on shafts 25 26 (see Fig. 11) in line with each [00 frame.

other, the meeting ends of which are inclosed in a sleeve, 27, with serrated ends, running in bearings 23 and carrying a pinion, 29, for operating the reciprocating rotary hoop or cord carrier 30, as hereinafter described.

The motion of the sleeve 27 is imparted alternately in opposite directions by clutchsleeves 31 32, having serrated ends to engage with the respective ends of the pinion-sleeve 27, and to engage at the same time with one or the other of the pins 25 26 on the respective shafts, so as to move said pinion'sleeve in either direction. The eiidwise movement of the clutch-sleeves is produced by shifters 33 34 engaging in glands on the said clutchsleeves, and attached to a connecting-rod, 35, to the end of which is pivoted a lever, 36, fulcrumed at 37, and controlled by a spiralgrooved cam, 38, on a shaft, 39, which is driven by the sprocket-chain 13, the parts being so proportioned as to connect the central pinionsleeve, 27, first with one and then with the other of the lineshafts 25 26, so as to turn the pinion 29 in opposite directions at proper periods to turn the rotary cord-carrier 30 forward and back twice at each complete stroke of the rake, as hereinafter explained.

40 is a third sprocket-chain, driven by a pulley, 41, on the shaft 16, and passing around acarryingpulley, 42, at the opposite end of the The chain 40 is provided with teeth 43, connected alternately with a half-circle (more or less) of teeth projecting above and below from a pinion, 45, which thus has the form of a double-segment crown-wheel, the teeth extending around nearly one-half of its circumference on both its upper and lower face, so as to impart half a revolution forward and then halt a revolution backward to the shaft 46, on which the said double crownwheel is mounted, as the teeth 42, first on the upper side and then on the lower side of the chain, connect with the upper and lower teeth, respectively, of the crown-wheel 45.

The shaft 46 carries a concave plate, 47, which, during the binding operation, rests within the grain-cradle 4S, and is then thrown around to discharge the sheaf. The cradle 48 is formed with or attached at one end, so as to extend transversely therefrom, to a throat, 49, of segmental form, mounted rigidly in suitable position on the grain-table to receive the cut grain which is carried into the said throat by the rake 4.

30 represents my rotary cord-carrier, consisting of a hoop adapted to turn concentrically around the exterior of the segmental throat or receiver 49, and having on its periphery a segmental rack, 50, gearing with the pinion 29, by the rotation of which alternately in opposite directions the forward and backward rotary movements of thehoop 30 are imparted at the proper periods to carry the cord around the sheaf to effect the tying of the same, as hereinafter explained, secured at one side of the machine or in any other convenient position.

The cord is shown at 52 extending from a spring-spool, 88, (the peculiar constructiom of which will be presently explained,) around the upper portion of the segmental grain throat or receiver 49, and between the open jaws of a cord-holder, 54, which is arranged to slide back and forth within a slot prepared for it in the periphery of the grain-receiver 49, and when in normal position rests against springs 55, Fig. 3, allowing it a slight additional backward play. The cavity in which the cordholder slides being open prevents any accumulation of trash which might disturb the motion. The sliding cord holder is further guided by studs 53 projecting from the ends of its frame through segment-slots in the sides of the grain throat or receiver 49. The cordholder is constructed with a laterally-movin g jaw, 56, which is thrown away from the face of the stationary jaw by a spring, 57, and is pressed against said face by the action of a ratchet-wheel, 58, carrying two cams, 59, and operated by a spring-pawl, 60, carried by an arm, 61, which turns concentrically on the shaft of the ratchet-wheel 58, the back of the moving jaw 56 having a boss with two recesses, in which the cams 59 are received when thejaw is to be allowed to open, and with two prominences, 62, on which the earns 59 bear to force the jaw shut.

It will be apparent from this description that as the arm 61 is reciprocated one-quarter of a revolution in alternate directions its backward motion carries the pawl 60 over the teeth of the wheel 58 without effect; but the forward 7 movement carries the ratchet-wheel one-quarter of a revolution,so that if the cams are resting in the recesses they will be thrown upon the prominences of the movingjaw 56, so as to close the said jaw tightly against the jaw 54. The next forward movement, turning the ratchet-wheel another quarter of a revolution in the same direction, throws the cams 59 off the prominences 62 and into the recesses in the back of the jaw, permitting the latter to open.

The forward or etfective stroke and the backward or return stroke of the arm 6L are imparted by pins 63 64, respectively, placed at a proper distance on the side of the hoop 30.

On the extremity of the segment-hoop 30 is hinged a nipper-jaw, 65, (see Fig. 1,) opened by a spring and closed by a clamp, 66, having a lug, 68, projecting laterally from it in suitable position to be alternately raised and dcpressed by contact successively with the convex back 69 and concave face 70 of one of the arms of a cam-wheel, which is provided with a ratchet, 71, to prevent retrograde movement, and a ratchet-wheel, 72, Fig. l, of double its own number of teeth, by contact with which a pawl, '73, on the side of the hoop 30, operates to turn the four-armed cam-wheel one-eighth of a revolution at each return stroke of the said hoop.

My knottyer is shown at 73, near the ex tremity of the grain-receiver 49. It is preferably constructed with the hollow shaft 74 and a central shaft, 75, sliding endwise within it, the two terminatingina rounded end of spherical shape, and the endwise movement of the shaft 75 within the hollow shaft 74 causing the rounded extremity of the former to separate from the head of the latter at the proper interval, as illustrated in dotted lines in Fig. 7, so as to form a nipper to receive the cord, as illustrated in Fig. 5, for tying the knot, as will be hereinafter more particularly described.

76 is a horn projecting outward and backward from the periphery of the hollow shaft 74, in order to catch the cord and carry it around the said shaft in preparation for tying the knot. The endwise movement of the shaft 75 within the hollow shaft 74 is imparted by a pin, 77, projecting radially from the shaft 75, through a slot, 78, in the hollow shaft 74, and carried over an incline, 79, in the face of the hearings in which the combined tyer-shafts turn. A spring, 80, throws the shaft 75 back within the hollow shaft 74 as soon as released from the incline 79, and thus closes the nipperjaws on the cord. The rotation of the tyer is imparted in one direction only by a pinionring, 81, encircling the shaft 74, and provided on one face with ratchetteeth 82, engaging with radial studs on the surface of the shaft 74, said pinion-ring being pressed against said studs by a spring, 83. The pinion-ring is rotated at the proper period by a segmental rack, 84, Fig. 3, on the face of the hoop 30.

85 represents a pusher, which is thrown endwise at the proper moment bycontactwith arm 86 on the tyer-shaft 74 in order to throw the cord over the head of the tyer.

S7 is a knife, which is moved in the same direction at the next instant by contact with the same arm 86 in order to sever the cord, the revolution of the tyer-shaft causing the arm 86 thereon to impinge against and raise the pusher and the knife at the proper inoments.

The peculiarconstruction of my sprin g-spool is as follows: 88 represents the spool proper, turning on a shaft, 89, which may be removed through one or the other end of the case or frame 90, being retained therein by a pivoted cheek-plate, 91, turning over the end of said shaft. The ends of the spool proper are furnished with notches 92 98 for the reception of lips 94 95 projecting from collars 96 97, which encircle the shaft 89, and are pressed toward the spool ends by springs 98, cansing the lips 94 95 to engage in the notches. In practice these springs 98 are of sufficient strength to retain the collars 96 97 in position when the shaft 89 is slipped outendwise, which is done for the purpose of removing a depleted spool and putting a full one in its place.

99 100 represent knife-edged pins projecting inwardly from the faces of the case 99 in the path of the oblique lips 94 95 in such a manner that the said lips will be alternately pressed out of the notches 92 93, in order to release the collars alternately from the spool and permit them to turn back on the shaft successively after having been drawn around in opposition to the resistance of the springs.

By means of this device I am enabled to maintain a steady and uniform tension on a cord of unlimited length, adapting the spool to be gradually unwound and to pay out its cord without any variation in the force of the springs. The spool proper being rotated by the drawing off of the cord, the collars will be drawn around with it by the engagement of their lips 94 95 in the notches 92 93 in the spool ends, thereby applying tension to the springs 98.

On the oblique lip 94 reaching the knifeedged pin 99 it will be withdrawn longitudinally from the spool end, leaving the spring of the collar 97 at the other end to maintain the tension of the cord. The first collar, 96, is then instantly turned back to its original position by the resistance of its spring 98 until its lip 94 re-engages with the notch in the spool end. The lip 95 of the second collar is then withdrawn from its notch in the spoolend by the action of the second knife-edged pin 100, permitting said second collar to turn back on the shaft in like manner until it can re-engage with its notch in the spool end. By this means the resistance of the two springs 98 is automatically and alternately applied to the spool, so that one of the said springs is constantly acting, and they are alternately released and permitted to resume their retracted position.

The operation of unwinding with uniform tension can thus be maintained under an unlimited number of revolutions of the spool.

Theoperationis as follows: The grain-throat being opened by the turning of the cord-carrier or hoop 30 downward or backward to the position shown in Fig. 2, the cord 52 is carried from the spool 88 over the top of the grain throat or receiver 49011 the right side of the hoop or cord-carrier 30, through the open holder 54 and the guiding-grooves formed to receive it, thence over the pulley 49*, Fig. 1, and is stretched vertically across the open mouth of the graiirthroat to the nippers on the end of the hoop or cord-carrier 30, being securely held in said nippers by the clamp 66. A sufficient quantity of grain being on the table, the rake sweeps it into the gavelingthroat 49, the cord being carried before it, and a sufficient length rendering from the spool as the cord is carried to the back of the throat. The hoop or cord-carrier 30 is then revolved in a forward direction by the action of the clutch-shaft 27, throwing up the forward end,- which carries the nippers 65, sothat the cord, still rendering from the spool 88, is drawn by the nippers 65 around the sheaf and-its extremity is delivered to the open cord-holder 54, which is instantly closed by the action of the tappet-pin 63 on its projecting arm, inr parting one-quarter revolution to the circular cam 59, so as to force the moving jaw 56 of the cord-holder against the face of the stationary jaw and cause it to tightly gripe the end of the cord which is presented to it by the nippers 65 of the cord-carrier 30, as well as that portion of the cord which is already lying between the jaws. The sliding cord-holder is then moved in opposition toithg springs by the continued forward movement of the cord-carrier 30 until said forward move ment carries the lug 68 of the nipper-clam p 66 over the convex back 69 of one of the arms of the cam-wheel, the effect of which is to throw up the said clamp, permitting the nippers to open and release the cord, which is thus left in the control of the holder 54, and lies in two strands within its guiding-grooves across the periphery of the tyer, underneath the erect horn thereof and over the pulley 49.

On the return movement of the hoop or cordcarrier 80, its rack 84 rotates the tyer, the horn 76 of which, catching the cord, carries it completely around the tyer, the horn 76 passing beneath that part of the cord which is stretched between the tyer 73 and holder 54, which, by its own tension, slips down the back of the horn and into the tyer-nippers, which open at the proper moment to receive it and then close upon it and hold it fast. The cord which encircles the tyer is then slipped over its end by the action of the pusher 85, the. bight of the cord held by the tyer-nipper being drawn through in the form of a loop. The knife 87 is now, on the revolution of the tyer, driven forward by the arm 86 on said shaft coming in contact with the end of the knife-arm to cut the cord, and the sliding cm'd-holder 54, which was drawn forward to give the necessary length of cord for passing around the tyer and forming the knot, is drawn back by the spring-spool S8. Theloop is then instantly drawn tight by the tension of the sheaf.

On the completion of the down or back stroke of the empty cord-carrier the sheafejector 47 is rotated, throwing the sheaf to the ground, and thenis immediately returned to its former position in readiness for a new gavel.

The descent of the cordcarrier also has the effect of turning the cam-wheel 69 oneeighth of a revolution, so as to throw one of its concave faces 70 in the line of the lug 68 of the nipperclamp.

Before the next movement of the rake the hoop or carrier 30 is again thrown up, seizes the projecting end of the cord between its nippers 65, when the contact of its lug 68 with the concave face of the cam-wheel closes the nippers on the end of the cord. The hoop then returns to its original position, leaving the throat 49 open for the reception of a new gavel, stretching the cord across said open throat, and the work proceeds as before.

Having thus described my invention, the following is what I claim as new therein and desire to secure by Letters Patent:

1. A gaveling attachment consisting of a segmental grain-throat, 49, recessed in its upper face to receive the tyer 73 and sliding cord-holder 54, a segmental grain cradle or receiver formed with or attached to the grainthroat and extending transversely from the side thereof, and a segmental cord-carrier revolving concentrically on the exterior of said throat, substantially as and for the purpose described.

2. A platform-rake provided with pivoted catches for retaining it in erect position, and ribs on the sides of the frame for retracting said catches and releasing the rake, so as to permit it to be turned down in readiness for its backward movement, in combination with endless sprocket-chains provided with projecting arms for operating said rake and inclines for elevating the arms from contact with the rake at the end of the stroke.

3. The combination of the shafts 25 26, pinion-sleeve 27, and clutch -sleeves 31 32 with the segmental cord-carrier 30.

4. The combination of the toothed chain 40 42, segment cam-wheel 45, shaft 46, and sheafdisoharger 47, substantially as and for the purposes set forth.

5. The combination of the segmental gaveling-arm 49 and the sheaf-discharger 47, carried by shaft 46 and resting within the cradle 48, substantially as and for the purposes herein set forth.

6. The spool 88, having notched ends and provided at each end with lipped collars, and springs 98, for applying tension to the said spool alternately, as described.

7. A cord holder provided with a moving jaw, which is alternately closed and released by the movement of an annular cam intermittently in one direction.

8. The combination of the nippers 65 and clamp 67, substantially as and for the purposes set forth.

9. The cam-wheel. 69 70, receiving an intermittent motion, and operating, in combination with the nipper-clamp' 67, to open and close the same, substantially as and for the purposes set forth.

10. The combination of the rotary knot-tyer 73, having endwise-sliding shaft 75, horn 76, pusher 85, cutter 87, and arm 86, for imparting endwise movement to said pusher and cutter in line with the tyer, substantially as for the purposes described.

11. The combination of the sliding cordholder 54, cord-carrier 30, and nippers 65, as and for the purposes set forth.

BLANOHARD CHAMBERLAIN.

Witnesses:

Ocmvrus KNIGHT, WALTER ALLEN. 

